Home / 4,750.40-6,555.20-2,625.60

Finding the Fourth Proportional to 4,750.40, 6,555.20 and 2,625.60

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Solution

The fourth proportional to 4,750.40, 6,555.20 and 2,625.60 is: 3,623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.40 : 6,555.20 = 2,625.60 : x
  2. Step 2: Convert to fraction form
    4,750.40/6,555.20 = 2,625.60/x
  3. Step 3: Cross multiply
    4,750.40x = 6,555.20 × 2,625.60
  4. Step 4: Simplify right side
    4,750.40x = 17,211,333.12
  5. Step 5: Solve for x
    x = 17,211,333.12/4,750.40
  6. Step 6: Final answer
    x = 3,623.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.